For each of the affected modules:
forum
glossary
scorm
Create an instance of the activity
Hide that activity
Assign the role of "Teacher" to at student within the module context
Login as the student
Confirm that you can view those hidden activities
Change the course format to Single Activity Format and select Forum
Save changes
Confirm that you can view the course as the student
Login as Admin
Switch to the front page
Create an instance of the activity
Hide that activity
Assign the role of "Teacher" to at student within the module context
Login as the student
Confirm that you can view those hidden activities